CVE-2000-0075: Nosque Msgcore

Medium severity, CVSS 5.0. EPSS: 2.5% chance of exploitation in the next 30 days.

Super Mail Transfer Package (SMTP), later called MsgCore, has a memory leak which allows remote attackers to cause a denial of service by repeating multiple HELO, MAIL FROM, RCPT TO, and DATA commands in the same session.

Affected products

• Nosque Msgcore: version 1.9 only

Published 2000-01-13. Last modified 2026-06-16.